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Finding the Fourth Proportional to 127,814,617.05, 191,721,925.58 and 127,814,617.05

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Solution

The fourth proportional to 127,814,617.05, 191,721,925.58 and 127,814,617.05 is: 191,721,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814,617.05 : 191,721,925.58 = 127,814,617.05 : x
  2. Step 2: Convert to fraction form
    127,814,617.05/191,721,925.58 = 127,814,617.05/x
  3. Step 3: Cross multiply
    127,814,617.05x = 191,721,925.58 × 127,814,617.05
  4. Step 4: Simplify right side
    127,814,617.05x = 24,504,864,497,457,224
  5. Step 5: Solve for x
    x = 24,504,864,497,457,224/127,814,617.05
  6. Step 6: Final answer
    x = 191,721,925.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.